This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A232273 #9 Nov 26 2024 15:01:22 %S A232273 1,2,6,2,6,2,7,2,5,5,6,7,8,9,1,1,6,8,3,4,4,4,3,2,2,0,8,3,6,0,5,6,9,8, %T A232273 3,4,3,5,0,8,9,4,7,6,7,0,4,2,4,3,8,3,5,9,6,9,7,3,8,0,9,9,5,2,2,5,2,2, %U A232273 2,5,3,0,2,6,9,1,7,3,3,9,6,5,3,4,5 %N A232273 Decimal expansion of the arctan of Pi. %F A232273 Equals A019669 - A232272. %e A232273 1.2626272556789116834443220836056983435089476704243835969738099522522... %t A232273 RealDigits[ArcTan[Pi], 10, 90][[1]] %o A232273 (PARI) atan(Pi) \\ _Charles R Greathouse IV_, Nov 26 2024 %Y A232273 Cf. A000796, A019669, A232182, A232272. %K A232273 nonn,cons %O A232273 1,2 %A A232273 _Bruno Berselli_, Nov 22 2013